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/*
* Copyright (c) 2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "common.h"
#include "sqldb.h"
#include "ue2common.h"
#include <cassert>
#include <cstring>
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <sqlite3.h>
using namespace std;
namespace {
static
sqlite3 *initDB(const string &filename) {
sqlite3 *db;
int status;
status = sqlite3_open_v2(filename.c_str(), &db,
SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE, nullptr);
if (status != SQLITE_OK) {
ostringstream oss;
oss << "Unable to open database '" << filename
<< "': " << sqlite3_errmsg(db);
status = sqlite3_close(db);
assert(status == SQLITE_OK);
throw SqlFailure(oss.str());
}
// create tables
static const string c("CREATE TABLE Compile ("
"id INTEGER PRIMARY KEY,"
"sigsName TEXT, "
"signatures TEXT, "
"dbInfo TEXT, "
"exprCount INTEGER, "
"dbSize INTEGER,"
"crc TEXT, "
"streaming TEXT, "
"streamSize INTEGER, "
"scratchSize INTEGER, "
"compileSecs DOUBLE, "
"peakMemory INTEGER"
");");
static const string s("CREATE TABLE Scan (id INTEGER PRIMARY KEY,"
"corpusFile TEXT, scan_id INTEGER, "
"totalSecs DOUBLE, bytesPerRun INTEGER, "
"blockSize INTEGER, blockCount INTEGER, "
"totalBytes INTEGER, totalBlocks INTEGER, "
"matchesPerRun INTEGER, "
"matchRate DOUBLE, overallTput DOUBLE);");
static const string sr(
"CREATE TABLE ScanResults ( id INTEGER PRIMARY KEY, "
"scan_id INTEGER, thread INTEGER, scan INTEGER, throughput DOUBLE );");
static const string create_query = c + s + sr;
sqlite3_stmt *statement;
const char *pzTail = create_query.c_str();
while (strlen(pzTail)) {
status =
sqlite3_prepare(db, pzTail, strlen(pzTail), &statement, &pzTail);
if (status != SQLITE_OK) {
goto fail;
}
status = sqlite3_step(statement);
if (status != SQLITE_DONE && status != SQLITE_ROW) {
goto fail;
}
status = sqlite3_finalize(statement);
if (status != SQLITE_OK) {
goto fail;
}
}
return db;
fail:
ostringstream oss;
oss << "Unable to create tables: " << sqlite3_errmsg(db);
status = sqlite3_close(db);
assert(status == SQLITE_OK);
throw SqlFailure(oss.str());
}
} // namespace
SqlDB::~SqlDB() {
if (db) {
sqlite3_close(db);
}
db = nullptr;
}
void SqlDB::open(const string &filename) {
if (!ifstream(filename)) {
// file doesn't exist, go set up some tables
db = initDB(filename);
} else {
int status;
status = sqlite3_open_v2(filename.c_str(), &db, SQLITE_OPEN_READWRITE,
nullptr);
if (status != SQLITE_OK) {
ostringstream oss;
oss << "Unable to open database '" << filename
<< "': " << sqlite3_errmsg(db);
throw SqlFailure(oss.str());
}
}
exec("PRAGMA synchronous = off;");
exec("PRAGMA encoding = 'UTF-8';");
}
void SqlDB::exec(const string &query) {
assert(db);
int status;
status = sqlite3_exec(db, query.c_str(), nullptr, nullptr, nullptr);
if (status != SQLITE_OK) {
ostringstream oss;
oss << "Unable to run sqlite query: " << sqlite3_errmsg(db);
sqlite3_close(db);
throw SqlFailure(oss.str());
}
}
u64a SqlDB::lastRowId() {
assert(db);
return sqlite3_last_insert_rowid(db);
}
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